table {
  margin: 1em auto;
  border-collapse: separate; /* collapse */
  border-spacing: 1px;
  empty-cells: show; /* hide */
}
thead tr th {
  padding: 0 5px;
  border: 1px solid #dcdcdc;
  font-size: 80%;
  font-weight: 400;
  font-variant: small-caps;
  letter-spacing: .1em;
  text-align: center;
  color: #000;
  background-color: #f0f0f0;
}
tbody tr td {
  padding: 5px 10px;
  border: 1px solid #dcdcdc;
  font-family: monospace;
  font-weight: 700;
  color: #333;
  background-color: #fff;
}
tbody tr:last-child td {
  color: #000;
}
tbody tr td:last-child {
  text-align: right;
}

.error {
  color: red;
}
